1233idonutnow 1233idonutnow
  • 13-09-2018
  • History
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Dimitri Mendeleev created the blank in the 1860s

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madisonsearson
madisonsearson madisonsearson
  • 13-09-2018

In 1864, with about 50 elements known, the British chemist John Newlands noticed a pattern when he arranged the elements in order of atomic mass, or weight. He found that the properties of the elements seemed to repeat every eighth element.

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bthalpain
bthalpain bthalpain
  • 13-09-2018

periodic table he created it in 1860 while trying to organize the elements


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